PDB Short entry for 4SOD
HEADER    OXIDOREDUCTASE(SUPEROXIDE ACCEPTOR)     14-JAN-93   4SOD              
TITLE     RATIONAL DESIGN AND EXPRESSION OF A HEPARIN-TARGETED HUMAN            
TITLE    2 SUPEROXIDE DISMUTASE                                                 
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: COPPER,ZINC SUPEROXIDE DISMUTASE;                          
COMPND   3 CHAIN: A;                                                            
COMPND   4 EC: 1.15.1.1;                                                        
COMPND   5 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HOMO SAPIENS                                    
KEYWDS    OXIDOREDUCTASE(SUPEROXIDE ACCEPTOR)                                   
EXPDTA    THEORETICAL MODEL                                                     
AUTHOR    L.A.KUHN,C.L.FISHER,J.A.TAINER                                        
REVDAT   1   30-APR-94 4SOD    0                                                
JRNL        AUTH   M.BOISSINOT,L.A.KUHN,P.LEE,C.L.FISHER,Y.WANG,                
JRNL        AUTH 2 R.A.HALLEWELL,J.A.TAINER                                     
JRNL        TITL   RATIONAL DESIGN AND EXPRESSION OF A                          
JRNL        TITL 2 HEPARIN-TARGETED HUMAN SUPEROXIDE DISMUTASE.                 
JRNL        REF    BIOCHEM.BIOPHYS.RES.COMMUN.   V. 190   250 1993              
JRNL        REFN   ASTM BBRCA9  US ISSN 0006-291X                               
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   H.E.PARGE,R.A.HALLEWELL,J.A.TAINER                           
REMARK   1  TITL   ATOMIC STRUCTURES OF WILD-TYPE AND THERMOSTABLE              
REMARK   1  TITL 2 MUTANT RECOMBINANT HUMAN CU,ZN SUPEROXIDE DISMUTASE          
REMARK   1  REF    PROC.NATL.ACAD.SCI.USA        V.  89  6109 1992              
REMARK   1  REFN   ASTM PNASA6  US ISSN 0027-8424                               
REMARK   1 REFERENCE 2                                                          
REMARK   1  AUTH   L.A.KUHN,J.H.GRIFFIN,C.L.FISHER,J.S.GREENGARD,               
REMARK   1  AUTH 2 B.N.BOUMA,F.ESPANA,J.A.TAINER                                
REMARK   1  TITL   ELUCIDATING THE STRUCTURAL CHEMISTRY OF                      
REMARK   1  TITL 2 GLYCOSAMINOGLYCAN RECOGNITION BY PROTEIN C                   
REMARK   1  TITL 3 INHIBITOR                                                    
REMARK   1  REF    PROC.NATL.ACAD.SCI.USA        V.  87  8506 1990              
REMARK   1  REFN   ASTM PNASA6  US ISSN 0027-8424                               
REMARK   2                                                                      
REMARK   2 RESOLUTION. NOT APPLICABLE.                                          
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : NULL                                                 
REMARK   3   AUTHORS     : NULL                                                 
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 4SOD COMPLIES WITH FORMAT V. 2.3, 09-JULY-1998                       
REMARK   5                                                                      
REMARK   5 RESIDUES 1 - 153 CORRESPOND TO THE THERMOSTABLE MUTANT               
REMARK   5 HUMAN CU,ZN SOD STRUCTURE WITH CYS 6 -> ALA AND CYS 111 ->           
REMARK   5 SER (REF. 1 AND PDB ENTRY 1SOS).  THE HEPARIN-BINDING                
REMARK   5 PEPTIDE IS MODELLED AS A HELIX BASED UPON REF. 2 AND PDB             
REMARK   5 ENTRY 1PAI.  THE FUSION PROTEIN STRUCTURE IS SUBSTANTIALLY           
REMARK   5 SIMILAR TO THAT OF HUMAN CU,ZN SOD ("HSOD"), WITH THE ADDED          
REMARK   5 GLY-PRO-GLY-A+ HELIX PEPTIDE FORMING AN EXTENSION THAT               
REMARK   5 PACKS AGAINST THE LOOPS AT ONE END OF THE BETA-BARREL.               
REMARK   5 SEQUERY, A PROGRAM THAT SEARCHES THE PROTEIN DATA BANK FOR           
REMARK   5 SEQUENCE PATTERNS (L. A. KUHN, M. E. PIQUE, M. A. SIANI,             
REMARK   5 E. D. GETZOFF, AND J. A.TAINER), WAS USED TO CONFIRM THAT            
REMARK   5 THE GLY-PRO-GLY LINKER HAS A CONFORMATION THAT ENCOURAGES            
REMARK   5 THE HELIX ATTACHED TO EACH HSOD SUBUNIT TO PACK IN THIS              
REMARK   5 ORIENTATION.  THIS FORMS A TWO-HELIX HEPARIN-BINDING MOTIF           
REMARK   5 (REF. 2) IN THE DIMERIC PROTEIN.  THE MODELLED STRUCTURE             
REMARK   5 GUIDED THE DESIGN OF A FUSION PROTEIN (HSOD-GLY-PRO-GLY-A+)          
REMARK   5 MADE BY RECOMBINANT DNA TECHNIQUES.  THIS PROTEIN WAS                
REMARK   5 EXPRESSED IN ESCHERICHIA COLI AND SHOWN TO HAVE NORMAL SOD           
REMARK   5 ACTIVITY AND INCREASED RETENTION ON A HEPARIN AFFINITY               
REMARK   5 COLUMN RELATIVE TO WILD-TYPE HSOD.  SEE JRNL ENTRY ABOVE             
REMARK   5 FOR DETAILS ON THE DESIGN, CONSTRUCTION, AND TESTING.                
REMARK   6                                                                      
REMARK   6 IN REGARD TO THE NON-TRANS PEPTIDES LISTED BELOW, IN ALL             
REMARK   6 CASES THE O-C-N-H BONDS ARE PLANAR BUT THE CA-C-N-CA BONDS           
REMARK   6 ARE NONPLANAR AND THERE IS A DISTORTION IN THE N-H BOND.             
REMARK   6 THIS MAY BE DUE TO ENERGY MINIZATION PROBLEMS, OR THE                
REMARK   6 PROCESS OF FORMING THE BOND BETWEEN RESIDUE 153 (THE                 
REMARK   6 NATURAL C-TERMINUS OF HSOD) AND RESIDUE 154 (THE NATURAL             
REMARK   6 N-TERMINUS OF THE HEPARIN BINDING HELIX).                            
REMARK 220                                                                      
REMARK 220 EXPERIMENTAL DETAILS                                                 
REMARK 220  EXPERIMENT TYPE                : THEORETICAL MODELLING              
REMARK 220                                                                      
REMARK 220 REMARK: NULL                                                         
REMARK 225                                                                      
REMARK 225 THEORETICAL MODEL                                                    
REMARK 225 THE COORDINATES IN THIS ENTRY REPRESENT A MODEL STRUCTURE.           
REMARK 225 PROTEIN DATA BANK CONVENTIONS REQUIRE THAT CRYST1 AND                
REMARK 225 SCALE RECORDS BE INCLUDED, BUT THE VALUES ON THESE                   
REMARK 225 RECORDS ARE MEANINGLESS.                                             
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: TORSION ANGLES                                             
REMARK 500                                                                      
REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS:            
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2)                    
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        PSI       PHI                                   
REMARK 500  1 ARG A 158      135.02     69.26                                   
REMARK 500  1 HIS A 159      -61.93     69.15                                   
REMARK 500  2 ARG A 158      135.05     69.20                                   
REMARK 500  2 HIS A 159      -61.90     69.14                                   
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: NON-CIS, NON-TRANS                                         
REMARK 500                                                                      
REMARK 500 THE FOLLOWING PEPTIDE BONDS DEVIATE SIGNIFICANTLY FROM BOTH          
REMARK 500 CIS AND TRANS CONFORMATION.  CIS BONDS, IF ANY, ARE LISTED           
REMARK 500 ON CISPEP RECORDS.  TRANS IS DEFINED AS 180 +/- 30 AND               
REMARK 500 CIS IS DEFINED AS 0 +/- 30 DEGREES.                                  
REMARK 500                                 MODEL     OMEGA                      
REMARK 500 SER A   25    ASN A   26          1       149.83                     
REMARK 500 ALA A  152    GLN A  153          1      -148.04                     
REMARK 500 SER A   25    ASN A   26          2       149.86                     
REMARK 500 ALA A  152    GLN A  153          2      -148.08                     
DBREF  4SOD A    1   171  GB     1045507  AAA80237         1    171             
SEQRES   1 A  172  ACE ALA THR LYS ALA VAL ALA VAL LEU LYS GLY ASP GLY          
SEQRES   2 A  172  PRO VAL GLN GLY ILE ILE ASN PHE GLU GLN LYS GLU SER          
SEQRES   3 A  172  ASN GLY PRO VAL LYS VAL TRP GLY SER ILE LYS GLY LEU          
SEQRES   4 A  172  THR GLU GLY LEU HIS GLY PHE HIS VAL HIS GLU PHE GLY          
SEQRES   5 A  172  ASP ASN THR ALA GLY CYS THR SER ALA GLY PRO HIS PHE          
SEQRES   6 A  172  ASN PRO LEU SER ARG LYS HIS GLY GLY PRO LYS ASP GLU          
SEQRES   7 A  172  GLU ARG HIS VAL GLY ASP LEU GLY ASN VAL THR ALA ASP          
SEQRES   8 A  172  LYS ASP GLY VAL ALA ASP VAL SER ILE GLU ASP SER VAL          
SEQRES   9 A  172  ILE SER LEU SER GLY ASP HIS SER ILE ILE GLY ARG THR          
SEQRES  10 A  172  LEU VAL VAL HIS GLU LYS ALA ASP ASP LEU GLY LYS GLY          
SEQRES  11 A  172  GLY ASN GLU GLU SER THR LYS THR GLY ASN ALA GLY SER          
SEQRES  12 A  172  ARG LEU ALA CYS GLY VAL ILE GLY ILE ALA GLN GLY PRO          
SEQRES  13 A  172  GLY HIS ARG HIS HIS PRO ARG GLU MET LYS LYS ARG VAL          
SEQRES  14 A  172  GLU ASP LEU                                                  
FTNOTE   1 SER 25 - ASN 26 MODEL 1 OMEGA =149.83 PEPTIDE BOND                   
FTNOTE   1  DEVIATES SIGNIFICANTLY FROM TRANS CONFORMATION                      
FTNOTE   2 ALA 152 - GLN 153 MODEL 1 OMEGA =211.96 PEPTIDE BOND                 
FTNOTE   2  DEVIATES SIGNIFICANTLY FROM TRANS CONFORMATION                      
FTNOTE   3 SER 25 - ASN 26 MODEL 2 OMEGA =149.86 PEPTIDE BOND                   
FTNOTE   3  DEVIATES SIGNIFICANTLY FROM TRANS CONFORMATION                      
FTNOTE   4 ALA 152 - GLN 153 MODEL 2 OMEGA =211.92 PEPTIDE BOND                 
FTNOTE   4  DEVIATES SIGNIFICANTLY FROM TRANS CONFORMATION                      
HET    ACE  A   0       6                                                       
HETNAM     ACE ACETYL GROUP                                                     
FORMUL   1  ACE    C2 H4 O                                                      
HELIX    1   1 ASN A  131  GLY A  138  1                                   8    
HELIX    2   2 HIS A  159  GLU A  169  1                                  11    
SHEET    1   A 4 LYS A   3  LYS A   9  0                                        
SHEET    2   A 4 GLN A  15  GLN A  22 -1  N  GLY A  16   O  LEU A   8           
SHEET    3   A 4 VAL A  29  LYS A  36 -1  N  LYS A  30   O  GLU A  21           
SHEET    4   A 4 VAL A  94  ASP A 101 -1  N  ALA A  95   O  ILE A  35           
SHEET    1   B 4 ASP A  83  ALA A  89  0                                        
SHEET    2   B 4 GLY A  41  HIS A  48 -1  O  GLY A  41   N  ALA A  89           
SHEET    3   B 4 THR A 116  HIS A 120 -1  O  THR A 116   N  HIS A  48           
SHEET    4   B 4 ARG A 143  VAL A 148 -1  N  LEU A 144   O  VAL A 119           
SSBOND   1 CYS A   57    CYS A  146                                             
CRYST1    1.000    1.000    1.000  90.00  90.00  90.00 P 1           1          
ORIGX1      1.000000  0.000000  0.000000        0.00000                         
ORIGX2      0.000000  1.000000  0.000000        0.00000                         
ORIGX3      0.000000  0.000000  1.000000        0.00000                         
SCALE1      1.000000  0.000000  0.000000        0.00000                         
SCALE2      0.000000  1.000000  0.000000        0.00000                         
SCALE3      0.000000  0.000000  1.000000        0.00000